> Much as I loved DR-DOS, it did have occasional compatibility hiccups. Because MS carefully built them. This was proved in court. The developers who built th

> Much as I loved DR-DOS, it did have occasional compatibility hiccups. Because MS carefully built them. This was proved in court. The developers who built the incompatibilities signed their work with their initials: AARD. https://en.wikipedia.org/wiki/AARD_code https://en.wikipedia.org/wiki/AARD_code How it was found: https://www.geoffchappell.com/notes/windows/archive/aard/index.htm https://www.geoffchappell.com/notes/windows/archive/aard/ind...